A natural satellite
What is a moon?
The 4 planets found closest to the Sun
What are terrestrial planets/inner planets?
Process occurring at the center of the Sun
What is fusion?
The 4 shapes of the galaxies
What are spiral, barred spiral, elliptical, and irregular?
the distance light travels in one year
What is a light year?
The phase in the moon cycle after the first quarter but before the full moon
What is waxing gibbous?
Has the most extreme tilt of any planet in the atmosphere (Hint: rotates on a horizontal axis)
What is Uranus?
Most stars live their lives as these
What are Main Sequence stars?
The Milky Way Galaxy was thought to be this type of galaxy but in the 1990s astronomers changed it to this particular type:
What is a spiral galaxy and then a barred spiral galaxy?
an asteroid that has made contact with Earth's surface
What is a meteorite?
This is responsible for the seasons that are found on Earth throughout the year
What is the tilt of Earth on its axis and the Earth's revolution around the Sun?
The two planets in our solar system that do not have moons that orbit them
What are Venus and Mercury?
a massive star that would explode into a supernova
What is a red super giant?
the most common type of galaxy
What is the elliptical galaxy?
dark cool spots on the Sun's surface
What are sunspots?
The phase of the moon cycle when we would be able to see a solar eclipse
What is the new moon?
The heliocentric theory of our solar system's arrangement places this at the center:
What is the Sun?
photosphere, chromosphere, corona
What are the layers of the Sun?
Around 40 galaxies that contain the Milky Way and the Andromeda galaxy, as well as many dwarf galaxies
What is the Local Group?
It takes the Moon approximately 29 days to do this?
What is ROTATE and REVOLVE AROUND THE EARTH?
The reason why the Earth has life
What is its favorable temperatures, oxygen in the atmosphere, and liquid water?
Shooting stars
What are meteors?
This uses magnitude, temperature, color, and luminosity to identify in which stage of its life a star is in
What is the Hertzsprung-Russell diagram?
Galaxies are moving away from each other in an expanding universe. This is suggested due to this phenomenon:
Who is the Red Shift?
When the Moon enters into the Earth's shadow:
What is a lunar eclipse?